Where does “raro” come from?

raro (Catalan) comes from Spanish raro, from Latin rārus, from Proto-Indo-European h₁reh₁- — to row; to separate; loose, sparse, rare.

Ancestry of “raro”, step by step

StepLanguageWordMeaning
1Spanishrarostrange or odd; rare
2Latinrārus—
3Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare
Every word from Proto-Indo-European h₁reh₁- →Every word from Latin rārus →Every word from Spanish raro →